2019910305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 3948134400

約数和(自身を除く): 1928224095

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 47, 67, 105, 123, 141, 149, 201, 205, 235, 287, 329, 335, 447, 469, 615, 705, 745, 861, 987, 1005, 1043, 1407, 1435, 1645, 1927, 2235, 2345, 2747, 3129, 3149, 4305, 4935, 5215, 5781, 6109, 7003, 7035, 8241, 9447, 9635, 9983, 13489, 13735, 15645, 15745, 18327, 19229, 21009, 22043, 28905, 29949, 30545, 35015, 40467, 41205, 42763, 47235, 49021, 49915, 57687, 66129, 67445, 69881, 91635, 96145, 105045, 110215, 128289, 129109, 147063, 149745, 202335, 209643, 213815, 245105, 287123, 288435, 330645, 349405, 387327, 409303, 469201, 641445, 645545, 735315, 861369, 903763, 1048215, 1227909, 1407603, 1435615, 1936635, 2009861, 2046515, 2346005, 2711289, 2865121, 3284407, 4306845, 4518815, 6029583, 6139545, 7038015, 8595363, 9853221, 10049305, 13556445, 14325605, 16422035, 19237241, 30147915, 42976815, 49266105, 57711723, 96186205, 134660687, 288558615, 403982061, 673303435, 2019910305]

約数ペア:

[(1, 2019910305), (3, 673303435), (5, 403982061), (7, 288558615), (15, 134660687), (21, 96186205), (35, 57711723), (41, 49266105), (47, 42976815), (67, 30147915), (105, 19237241), (123, 16422035), (141, 14325605), (149, 13556445), (201, 10049305), (205, 9853221), (235, 8595363), (287, 7038015), (329, 6139545), (335, 6029583), (447, 4518815), (469, 4306845), (615, 3284407), (705, 2865121), (745, 2711289), (861, 2346005), (987, 2046515), (1005, 2009861), (1043, 1936635), (1407, 1435615), (1435, 1407603), (1645, 1227909), (1927, 1048215), (2235, 903763), (2345, 861369), (2747, 735315), (3129, 645545), (3149, 641445), (4305, 469201), (4935, 409303), (5215, 387327), (5781, 349405), (6109, 330645), (7003, 288435), (7035, 287123), (8241, 245105), (9447, 213815), (9635, 209643), (9983, 202335), (13489, 149745), (13735, 147063), (15645, 129109), (15745, 128289), (18327, 110215), (19229, 105045), (21009, 96145), (22043, 91635), (28905, 69881), (29949, 67445), (30545, 66129), (35015, 57687), (40467, 49915), (41205, 49021), (42763, 47235)]